SP6669-1.5 Buck Converter overview



SP6669-1.5 is a 5.50 V sync Buck Converter from with 0.60 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.50 V to 1.50 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 4 and achieves a peak efficiency of 94 %. Further SP6669-1.5 characteristics are a fixed 1500 kHz switching frequency and 1 available package option(s): SOT23-5 .

For the SP6669-1.5 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

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V-IN min. 2.50 V
V-IN max. 5.50 V
I-OUT? 0.60 A
V-OUT min. 1.50 V
V-OUT max. 1.50 V
V-OUT 1.500 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1500 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 340 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 4.70 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 94 %
Component count min. 4
current limit adjustable no
Nr.of packages 1

SP6669-1.5 Datasheet

Link to the most up-to-date SP6669-1.5 datasheet and the product page for EVM, tools and support information.


SP6669-1.5 Sample stock and distributor price breaks

SP6669-1.5 prices and online available distributors.


Available Distributors with stock: 2


30000.40 USD
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11.04 USD
100.92 USD
250.83 USD
1000.73 USD
2500.64 USD
5000.56 USD
10000.45 USD
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11.04 USD
100.92 USD
250.83 USD
1000.73 USD
2500.64 USD
5000.56 USD
10000.45 USD
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30000.42 USD
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432.19 USD
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30000.00 USD
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30000.00 USD
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10.00 USD
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Mouser-Electronics (3)

11.00 USD
100.81 USD
1000.62 USD
5000.55 USD
10000.43 USD
30000.38 USD
90000.37 USD
240000.36 USD
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132.49 USD
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11.05 USD
100.87 USD
1000.65 USD
5000.57 USD
10000.45 USD
25000.40 USD
100000.39 USD
250000.38 USD
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Available Distributors without stock: 2


10.45 USD
4000.41 USD
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131.25 USD
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147.75 USD
542.50 USD
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Available Distributors with stock: 0

no online Distributor with SP6669 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to SP6669-1.5. Optional, compare SP6669-1.5 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1324-15 AS1324-15 product overviewAS1324-15 product overview AMS SOT23-5
0% ADP2102-1,5 ADP2102-1,5 product overviewADP2102-1,5 product overview Analog Devices QFN-8
0% ADP2105-1,5 ADP2105-1,5 product overviewADP2105-1,5 product overview Analog Devices QFN-16
0% ADP2108-1,5 ADP2108-1,5 product overviewADP2108-1,5 product overview Analog Devices TSOT23-5, CSP-5
0% ADP2109-1,5 ADP2109-1,5 product overviewADP2109-1,5 product overview Analog Devices CSP-5
0% ADP2138-1,5 ADP2138-1,5 product overviewADP2138-1,5 product overview Analog Devices WLCSP-6
0% ADP2139-1,5 ADP2139-1,5 product overviewADP2139-1,5 product overview Analog Devices WLCSP-6
0% FAN4603-1.5 FAN4603-1.5 product overviewFAN4603-1.5 product overview Fairchild MLP-6
0% FAN5361-1.5 FAN5361-1.5 product overviewFAN5361-1.5 product overview Fairchild UMLP-6
0% LTC3406-1.5 LTC3406-1.5 product overviewLTC3406-1.5 product overview Linear Technology TSOT23
0% MAX1557-1.5 MAX1557-1.5 product overviewMAX1557-1.5 product overview Maxim TDFN-EP-10
0% MAX1742-1.5 MAX1742-1.5 product overviewMAX1742-1.5 product overview Maxim QSOP-16
0% MAX1842-1.5 MAX1842-1.5 product overviewMAX1842-1.5 product overview Maxim QSOP-16
0% MAX1928-1.5 MAX1928-1.5 product overviewMAX1928-1.5 product overview Maxim u00b5MAX-10
0% MAX8504-1.5 MAX8504-1.5 product overviewMAX8504-1.5 product overview Maxim QFN-12
0% DC6M601X6-1.5 DC6M601X6-1.5 product overviewDC6M601X6-1.5 product overview NXP CSP-6
0% DC6M603X6-1.5 DC6M603X6-1.5 product overviewDC6M603X6-1.5 product overview NXP CSP-6
0% SC4620815 SC4620815 product overviewSC4620815 product overview Silan Micro SOT23-5
0% AAT1106-1.5 AAT1106-1.5 product overviewAAT1106-1.5 product overview Skyworks TSOT23-5
0% LM3671-1.5 LM3671-1.5 product overviewLM3671-1.5 product overview Texas Instruments SOT23-5, DSBGA-5
0% LM3676-1.5 LM3676-1.5 product overviewLM3676-1.5 product overview Texas Instruments WSON-8
0% LM3677-1.5 LM3677-1.5 product overviewLM3677-1.5 product overview Texas Instruments USON-6, DSBGA-5
0% LM3691-1.5 LM3691-1.5 product overviewLM3691-1.5 product overview Texas Instruments DSBGA-6
0% TPS62042 TPS62042 product overviewTPS62042 product overview Texas Instruments QFN-10, MSOP
0% RP504x-1.5 RP504x-1.5 product overviewRP504x-1.5 product overview Ricoh DFN-6, SOT23-5
0% RP508x-1.5 RP508x-1.5 product overviewRP508x-1.5 product overview Ricoh DFN-6
0% RP505K-1.5 RP505K-1.5 product overviewRP505K-1.5 product overview Ricoh DFN-8
0% TS30111-1.5 TS30111-1.5 product overviewTS30111-1.5 product overview Triune Systems QFN-16
0% TS30011-1.5 TS30011-1.5 product overviewTS30011-1.5 product overview Triune Systems QFN-16
0% TS33000-1.5 TS33000-1.5 product overviewTS33000-1.5 product overview Triune Systems QFN-16
0% TS33001-1.5 TS33001-1.5 product overviewTS33001-1.5 product overview Triune Systems QFN-16
0% TS30021-1.5 TS30021-1.5 product overviewTS30021-1.5 product overview Triune Systems QFN-16
0% MP2148-1.5 MP2148-1.5 product overviewMP2148-1.5 product overview MPS QFN-6
0% AS1382A-1.5 AS1382A-1.5 product overviewAS1382A-1.5 product overview AMS WLCSP-6
0% RP509Z-1-1.5 RP509Z-1-1.5 product overviewRP509Z-1-1.5 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP6669-1.5.

V-IN max. 5.5 V, I-OUT 0.6 A, V-OUT min. 1.5 V, Frequency typ. 1500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028003 3.3 1.0 0.9 185.00 2.8 x 2.8 x 1.2
744029003 3.3 1.3 1.0 110.00 2.8 x 2.8 x 1.5
744030003 3.3 0.7 0.7 198.00 3.3 x 3.5 x 1.05
744031002 2.5 1.5 1.3 50.00 3.8 x 3.8 x 1.8
744031003 3.6 1.4 1.1 66.00 3.8 x 3.8 x 1.8
74404024033 3.3 1.4 1.3 120.00 2.5 x 2 x 1.2
74479888233 3.3 1.1 1.1 250.00 2.5 x 2 x 1
74479889233 3.3 1.3 1.3 250.00 2.5 x 2 x 1.2
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